Crossing-Over

question 21

Multiple Choice

Crossing-over

• A) involves the physical exchange of parts of homologous chromosomes.
• B) occurs during mitosis.
• C) involves the fusion of gametes to restore the diploid number of chromosomes.
• D) occurs in somatic cells.

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Definitions:

Productive Resources

The inputs used in the production of goods and services, including land, labor, capital, and entrepreneurship.

British Thermal Unit

A unit of heat energy defined as the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit.

BTU

British Thermal Unit, a measure of heat energy defined as the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit.

Commodities Price Index

A statistical measure that tracks the price movements of a basket of commodities to reflect the overall direction of commodity prices over time.